<template>
  <div class="right">
    <p>Right</p>
    <div>{{age}}</div>
    <button @click="age++">点击age++</button>
  </div>
</template>

<script>
export default {
data () {
    return {
        age: 20
    }
}
}
</script>

<style>
.right{
    width: 400px;
    height: 250px;
    background-color: #80b;
}
</style>